package ooday01;

public class StudenTest {
    public static void main(String[] args) {
        //创建一个学生对象
        Student an = new Student("张三",23,"jsd2302","001");
        an.Study();
        an.sayhi();
        an.playWhith("李四");
        //未对成员变量传值
        Student ww = new Student("张三",23,"jsd2302","001");
        ww.Study();
        ww.sayhi();
        ww.playWhith("张三");

    }
}
